參數(shù)資料
型號: AD9280-EB
廠商: Analog Devices, Inc.
英文描述: Complete 8-Bit, 32 MSPS, 95 mW CMOS A/D Converter
中文描述: 完整的8位,32 MSPS的95毫瓦的CMOS A / D轉(zhuǎn)換
文件頁數(shù): 10/24頁
文件大?。?/td> 366K
代理商: AD9280-EB
AD9280
–10–
REV. D
A2
10k
V
10k
V
10k
V
A/D
CORE
4.2k
TOTAL
REFTS
REFBS
10
m
F
0.1
m
F
REFTF
REFBF
0.1
m
F
AIN
+F/S RANGE
OBTAINED FROM
VREF PIN OR
EXTERNAL REF
–F/S RANGE
OBTAINED FROM
VREF PIN OR
EXTERNAL REF
0.1
m
F
MODE
(AVDD)
+FS
–FS
AD9280
10k
V
SHA
a. Top/Bottom Mode
V
MAXIMUM MAGNITUDE OF V
IS DETERMINED BY INTERNAL
REFERENCE AND TURNS RATIO
MODE
INTERNAL
REF
AVDD/2
10k
V
10k
V
10k
V
A/D
CORE
4.2k
TOTAL
10
m
F
0.1
m
F
REFTF
REFBF
0.1
m
F
AIN
0.1
m
F
AD9280
10k
V
A2
REFTS
REFBS
AVDD/2
SHA
c. Differential Mode
A1
1V
AVSS
REFSENSE
VREF
(1V)
AD9280
0.1
m
F
1.0
m
F
d. 1 V Reference
A1
1V
AVSS
REFSENSE
VREF
(= 1 + R
A
/R
B
)
R
A
R
B
INTERNAL 10K REF RESISTORS ARE
SWITCHED OPEN BY THE PRESENSE
OF R
A
AND R
B
.
AD9280
0.1
m
F
1.0
m
F
f. Variable Reference
(Between 1 V and 2 V)
A1
10k
V
10k
V
1V
AVSS
REFSENSE
VREF
(2V)
AD9280
0.1
m
F
1.0
m
F
e. 2 V Reference
A1
1V
REFSENSE
AVDD
VREF
AD9280
g. Internal Reference Disable
(Power Reduction)
Figure 16.
MODE
INTERNAL
REF
MIDSCALE OFFSET
VOLTAGE IS DERIVED
FROM INTERNAL OR
EXTERNAL REF
MIDSCALE
V*
AVDD/2
* MAXIMUM MAGNITUDE OF V IS DETERMINED
BY INTERNAL REFERENCE
10k
V
10k
V
10k
V
A/D
CORE
4.2k
TOTAL
REFTS
REFBS
10
m
F
0.1
m
F
REFTF
REFBF
0.1
m
F
AIN
0.1
m
F
AD9280
10k
V
A2
SHA
b. Center Span Mode
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